An Arctic blast is expected to bring below-average temperatures to the central U.S. and New England in late November and early December. A weakening polar vortex, influenced by a rare weather ...

A rare split polar Vortex will plunge millions of Americans into freezing temperatures as it's set to blast powerful cold air across the country around Valentine's Day. Forecasters have warned of snow ...

A polar vortex is set to push frigid winds throughout the nation this month, posing heightened risks for vulnerable populations.